Immature anti-inflammatory response in neonates

C. Schultz*, P. Temming, P. Bucsky, W. Göpel, T. Strunk, C. Härtel

*Corresponding author for this work
106 Citations (Scopus)


The inflammatory response plays a major role in the induction of several neonatal diseases. We hypothesize that an imbalance between the pro- and anti-inflammatory response is crucial for the previously shown enhanced production of proinflammatory cytokines in term and preterm infants during infection. To test this hypothesis, we compared the capacity to produce the main anti-inflammatory cytokines IL-10 and TGF-β in term infants, preterm infants and adults at different levels of synthesis by quantitative real time reverse-transcribed PCR, flow cytometry, as well as enzyme-linked immunoassay. Term and preterm infants showed a profoundly diminished IL-10 mRNA-expression and IL-10 production after stimulation. In addition, the amount of TGF-β-positive lymphocytes was significantly less in neonates than adults. Furthermore, there was a considerably lower inhibition of production of IL-1 α, IL-6, IL-8 and TNF-α by the use of recombinant IL-10 in term and preterm infants compared with adults. These results demonstrate not only a diminished anti-inflammatory capacity but also a reduced response to anti-inflammatory stimuli in term and preterm infants. From these data we conclude that neonates display an immature compensatory anti-inflammatory response syndrome (CARS) which may predispose preterm infants to harmful effects of proinflammatory cytokines resulting in severe organ sequelae during infection.

Original languageEnglish
JournalClinical and Experimental Immunology
Issue number1
Pages (from-to)130-136
Number of pages7
Publication statusPublished - 01.2004

Research Areas and Centers

  • Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)


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